Which of the following descriptions about the gateway is wrong?

Question

Options

• AThe gateway simply transmits information without processing it
• BThe gateway is used to realize the network interconnection between devices
• CThe gateway repackages the received information to meet the needs of the destination system
• DThe gateway can be used for both WAN interconnection and LAN interconnection

• A
  74% (35)
• B
  2% (1)
• C
  6% (3)
• D
  17% (8)

Explanation

Option A is wrong because a gateway actively processes information - it operates at the application layer (Layer 7) and performs protocol translation, data conversion, and repackaging to bridge incompatible systems, making "simply transmits without processing" a false description. Options B and D are both accurate: gateways do enable network interconnection between different devices and protocols, and they can function in both WAN and LAN environments. Option C is also correct - gateways repackage received data to meet the destination system's protocol requirements, which is precisely what distinguishes them from simpler devices like bridges or repeaters.

Memory tip: Think of a gateway as a "translator at a customs checkpoint" - it doesn't just pass your luggage through, it inspects, repackages, and formats it to meet the destination country's rules. If it simply passed data through unchanged, it would just be a hub or repeater, not a gateway.

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